Investigation of the MSO(4) center dot xH(2)O (M = Zn, x=7; M = Cd, x=8/3)/methyl 2-pyridyl ketone oxime reaction system: A novel Cd(II) coordination polymer versus mononuclear and dinuclear Zn(II) complexes
Φόρτωση...
Ημερομηνία
Τίτλος Εφημερίδας
Περιοδικό ISSN
Τίτλος τόμου
Εκδότης
Elsevier
Περίληψη
Τύπος
Είδος δημοσίευσης σε συνέδριο
Είδος περιοδικού
peer reviewed
Είδος εκπαιδευτικού υλικού
Όνομα συνεδρίου
Όνομα περιοδικού
Inorganica Chimica Acta
Όνομα βιβλίου
Σειρά βιβλίου
Έκδοση βιβλίου
Συμπληρωματικός/δευτερεύων τίτλος
Περιγραφή
The reactions of methyl 2-pyridyl ketone oxime, (py)C(Me)NOH, with MSO4 center dot xH(2)O (M = Zn, x = 7; M = Cd, x = 8/3), in the absence of an external base, have been investigated. The synthetic study has led to the two new complexes [Zn(SO(4)){(py)C(Me)NOH}(H(2)O)(3)] center dot H(2)O (1 center dot H(2)O) and [Zn(2)(SO(4))(2){(py)C(Me)NOH} (4)] center dot (py)C(Me)NOH [2 center dot (py)C(Me)NOH], and the coordination polymer [Cd(SO(4)){(py)C(Me)NOH} (H(2)O)](n) center dot [Cd(SO(4)){(py)C(Me)NOH}(H(2)O)(2)] n (3). In the three complexes the organic ligand chelates through its nitrogen atoms. The sulfate anion in 1 center dot H(2)O is monodentate; the complex molecule is the mer isomer considering the positions of the aqua ligands. The Zn(II) centers in 2 center dot (py)C(Me)NOH are bridged by two syn, anti eta(1): eta(1): mu(2) SO(4)(2-) ligands; each metal ion has the cis- cis-trans disposition of the coordinated sulfate oxygen, pyridyl nitrogen and oxime nitrogens, respectively. The molecular structure of 3 is unique consisting of two different linear and ladder - type chains. pi-pi stacking interactions and/or hydrogen bonds lead to the formation of interesting supramolecular architectures in the three complexes. The thermal decomposition of complex 3 has been studied. Characteristic vibrational (IR, Raman) bands are discussed in terms of the nature of bonding and the structures of the three complexes. (C) 2008 Elsevier B. V. All rights reserved.
Περιγραφή
Λέξεις-κλειδιά
cadmium(ii) sulfate complexes, coordination polymers, methyl 2-pyridyl ketone oxime complexes, vibrational spectra, zinc(ii) sulfate complexes, 3d-metal cluster chemistry, x-ray structures, ligand, copper(ii), zinc(ii), crystal, ni(ii), chain, bond
Θεματική κατηγορία
Παραπομπή
Σύνδεσμος
<Go to ISI>://000265467300038
http://ac.els-cdn.com/S0020169308006464/1-s2.0-S0020169308006464-main.pdf?_tid=fdc96efb06f6b5c14e24896dea5e1e6c&acdnat=1333035941_91f7e484da485c946ffa71fad41a9e3a
http://ac.els-cdn.com/S0020169308006464/1-s2.0-S0020169308006464-main.pdf?_tid=fdc96efb06f6b5c14e24896dea5e1e6c&acdnat=1333035941_91f7e484da485c946ffa71fad41a9e3a
Γλώσσα
en
Εκδίδον τμήμα/τομέας
Όνομα επιβλέποντος
Εξεταστική επιτροπή
Γενική Περιγραφή / Σχόλια
Ίδρυμα και Σχολή/Τμήμα του υποβάλλοντος
Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας